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Thailand (ภาษาไทย)
ภาษาไทย

฿3,218+ Direct flights to Seoul

This is the cheapest price on a non-stop flight to Seoul found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Seoul

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Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 9 December 2025.

Thu 26/302:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sat 4/411:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿5,990
Sun 10/502:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Fri 15/511:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿6,118
Fri 27/302:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sat 4/411:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿6,149
Sat 14/302:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sun 29/311:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿6,181
Wed 1/402:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Fri 3/411:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿6,341
Sun 15/303:40DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 1/411:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿6,404
Thu 5/302:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Tue 10/317:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 6/12฿6,468
Sat 14/309:00DMK - ICN
Nonstop5h 35mThai AirAsia X
Fri 10/411:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿6,500
Wed 25/202:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Tue 3/317:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 7/12฿6,532
Tue 14/402:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 20/411:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿6,596
Tue 3/302:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sun 8/311:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿6,627
Thu 5/309:00DMK - ICN
Nonstop5h 35mThai AirAsia X
Fri 6/311:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/12฿6,659

Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to Seoul within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 17,341 searches and data was last updated on 9 December 2025.
Use the filters below to find and compare direct flights to Seoul that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 27/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Fri 3/4

11:20-15:30

Nonstop6h 10m

฿6,054

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 9/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Fri 15/5

11:20-15:30

Nonstop6h 10m

฿6,341

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 27/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sat 4/4

11:20-15:30

Nonstop6h 10m

฿6,436

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 22/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 26/5

11:20-15:30

Nonstop6h 10m

฿6,596

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 27/1

03:35-11:10

Nonstop5h 35m

Incheon Intl

Fri 30/1

12:25-16:35

Nonstop6h 10m

฿6,691

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 14/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Fri 10/4

11:20-15:30

Nonstop6h 10m

฿6,787

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 8/3

03:40-11:15

Nonstop5h 35m

Incheon Intl

Mon 13/4

11:20-15:30

Nonstop6h 10m

฿6,946

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 14/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Sat 21/3

11:20-15:30

Nonstop6h 10m

฿6,978

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 22/3

03:40-11:15

Nonstop5h 35m

Incheon Intl

Fri 10/4

11:20-15:30

Nonstop6h 10m

฿7,073

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 8/1

03:45-11:20

Nonstop5h 35m

Incheon Intl

Sat 7/3

11:20-15:30

Nonstop6h 10m

฿7,297

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 45 results
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Reviews of airlines flying non-stop to Seoul

Get insights into the airlines that provide direct flights to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 9 December 2025.
Check out reviews from past customers who have flown AIR PREMIA and Thai Airways to South Korea to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.3
Very Good
Check prices

Comfort

8.4

Entertainment

7.0

Boarding

8.1

Food

7.3

Overall

8.3

Crew

9.0

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.
AIR PREMIA
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Comfort

8.4

Entertainment

7.0

Boarding

8.1

Food

7.3

Overall

8.3

Crew

9.0

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.
Thai Airways
7.8
Good
366 reviews
AIR PREMIA
8.3
Very Good
Check prices

Comfort

8.4

Entertainment

7.0

Boarding

8.1

Food

7.3

Overall

8.3

Crew

9.0

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.

FAQ about direct flights to Seoul

Find answers to frequently asked questions about direct flights to Seoul to unlock the best deals on Cheapflights.

  • How much are direct flights to Seoul?

    On average, a one-way direct flight to Seoul will cost users approximately ฿6,892. If you're looking for a direct return flight to Seoul, you can expect to pay around ฿27,813.

  • Which airlines fly direct to Seoul?

    At the moment, Thai AirAsia X, Thai Airways, AIR PREMIA, Air Busan, T'way Air, Korean Air, Jeju Air, Thai Vietjet Air, Vietnam Airlines, Jin Air offer direct flights to Seoul. Thai AirAsia X is currently the most popular airline that flies direct to Seoul.

  • What is the best time of year to fly direct to Seoul?

    If you're seeking the lowest price on a direct flight to Seoul, September is worth consideration, as prices are usually at their lowest, on average. July may be most appealing to users looking for the quietest time to visit Seoul, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Seoul?

    Currently, the most popular direct flight origin to Seoul is Bangkok Suvarnabhumi Airport. A return direct flight from Bangkok Suvarnabhumi Airport to Seoul typically costs around ฿26,005.

See more FAQs

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